National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Mostly Cloudy

61°F

16°C

Humidity 81%
Wind Speed S 20 G 32 mph
Barometer 29.48 in (998.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 Mar 9:53 am EDT
Extended Forecast for

2 Miles ENE Williamsburg PA

  • Today

    Today: A slight chance of showers, then showers and possibly a thunderstorm after 11am. Some of the storms could be severe. High near 68. South wind around 17 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Rain showers, snow showers, and sleet before 10pm, then a chance of snow showers between 10pm and 11pm. Low around 23. West wind 15 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than a half inch possible.

    Low: 23 °F

    Wintry Mix
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers. Partly sunny, with a high near 33. West wind around 17 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    High: 33 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. West wind 5 to 10 mph, with gusts as high as 22 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow showers before 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Snow Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of showers, then showers and possibly a thunderstorm after 11am. Some of the storms could be severe. High near 68. South wind around 17 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain showers, snow showers, and sleet before 10pm, then a chance of snow showers between 10pm and 11pm. Low around 23. West wind 15 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than a half inch possible.
Tuesday
A slight chance of snow showers. Partly sunny, with a high near 33. West wind around 17 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 20. West wind 5 to 10 mph, with gusts as high as 22 mph.
Wednesday
Partly sunny, with a high near 38. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
A slight chance of snow showers before 2am. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Thursday
Mostly cloudy, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 55.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
A chance of showers. Partly sunny, with a high near 54. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Williamsburg PA
 40.47°N 78.18°W (Elev. 1053 ft)
Last Update:
8:06 am EDT Mar 16, 2026
Forecast Valid:
10am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation